The highly qualified and experienced team at TUNRA Bulk Solids is committed to forming long term partnerships with your business to help overcome existing handling problems and assist planning new projects to ensure trouble-free plant operation.

Our team of industrial consultants have many years of experience problem solving in the bulk solids handling industry and is supported by our proficient technical staff.


E/Prof Alan Roberts - Founding Director of TUNRA Bulk Solids

AlanEmeritus Professor Alan Roberts AM has an outstanding international reputation as a world authority in the field of bulk solids handling. He has a proven international track record in fundamental and applied research, and is highly respected by industry worldwide. He was the founder of TUNRA Bulk Solids in 1975. His contribution to research and consulting spans a period of 50 years and covers almost all aspects in the field of bulk solids handling.

+61 (2) 4033 9036


Prof Mark Jones - Director of TUNRA Bulk Solids and the Centre for Bulk Solids & Particulate Technologies

MarkProfessor Mark Jones is Director of the Centre for Bulk Solids & Particulate Technologies (Newcastle Node) and TUNRA Bulk Solids and is also the Head of the School of Engineering at the University of Newcastle. He has been an active researcher and international consultant in the field of bulk solids handling for over 20 years. His principal contributions are in the areas of pneumatic conveying and characterisation, however he has contributed a significant amount of work in a wide range of areas within bulk materials handling.

+61 (2) 4033 9035


A/Prof Craig Wheeler - Associate Director of TUNRA Bulk Solids and the Centre for Bulk Solids & Particulate Technologies

CraigAssociate Professor Craig Wheeler is Associate Director of TUNRA Bulk Solids and Associate Professor in Mechanical Engineering at the University of Newcastle, Australia. He worked for 10 years with BHP Billiton in Australia in a variety of engineering positions, including maintenance, production and design. Since joining the University he has worked as a consultant for TUNRA Bulk Solids for over 10 years. His particular interests include belt conveying, transfer chute design and mechanical conveying.

+61 (2) 4033 9037


Dr Kenneth Williams - General Manager - Research

KenDr Kenneth Williams is the General Manager for Research at TUNRA Bulk Solids and is also a Senior Research Fellow in the School of Engineering at The University of Newcastle. He co-ordinates a wide spectrum of research projects and has been a part of the TBS team for over 10 years.His research focus is in the investigation and development of improved and new bulk materials handling systems and methods, working in conjunction with Postgraduate and Postdoctoral researchers. He has also worked extensively on the design and troubleshooting of industrial systems.

+61 (2) 4033 9038


Dr Tim Donohue - Business Unit Manager

TimDr Tim Donohue is the Business Unit Manager of TUNRA Bulk Solids (TBS). Tim is responsible for the overall operation of TBS and has completed a significant number of projects in the materials handling field. Tim operates across all aspects of the business including flow property testing, the provision of specialised testing services such as wear testing, along with general consulting projects. His expertise lies in transfer chute design, bin and hopper design and numerical modelling. Discrete Element Modelling (DEM) is being used more widely in the materials handling field and TBS keeps abreast of new advancements through Tim’s presence on the scientific committee for the international conference series on DEM. Through both research and consulting projects Tim has built significant experience in the bulk materials field to deliver value to Clients through solving industry problems.

+61 (2) 4033 9031


Consultants & Engineers

Dr Bin Chen - Senior Consulting Engineer

BinDr Bin Chen is a Senior Consulting Engineer at TUNRA Bulk Solids. He has been working in research and industrial consultancy in the field of bulk materials handling since 2003, involving a combination of design and evaluation, theoretical modelling, CFD and DEM. With activities in many different areas of bulk solids handling, his particular interests include design and optimisation of transfer chutes and bins/hoppers. Before joining TBS in 2008, he was employed as an engineer in Baosteel Group Corporation (Shanghai) for 2 years. He has published 1 patent and over 20 research papers.

+61 (2) 4033 9029


Mr Daniel Ausling - Senior Consulting Engineer

DanielMr Daniel Ausling has been involved with TBS since 2003 and is currently employed as an Engineer. Whilst completing his undergraduate degree in Mechanical Engineering he gained first practical experience by working in the TBS lab as well as in the workshop. After completing his studies, he started a PhD with the focus on overland conveyors and contributed to different consultancy projects in this area. His current work includes in addition the application of DEM simulation methods to analyse and predict flow patterns in conveyor transfer stations.

+61 (2) 4033 9043

Mr Brendan Beh - Consulting Engineer

#636342523490529335#Mr Brendan Beh completed his Bachelor of engineering (Mechanical) in 2008. After graduating from University of Newcastle, he held a position as a research assistant, working along with A/Prof Craig Wheeler. During the time Brendan worked in the area of belt conveying, in particular looking at the viscoelasticity characteristic of rubber through the use of a Dynamic Mechanical Analyzer machine, testing of indentation rolling resistance on conveyor belts as well as working on a variety of materials handling problems. In 2015 Brendan began a full time Master’s Degree focusing on conveyor belt flexure resistance to provide a new method of analytical calculation, this was supported through testing on a large scale test facility by measuring indentation rolling resistance of a conveyor belt. In 2017 Brendan completed his Master’s Degree and commenced work as a Consulting Engineer for TUNRA Bulk Solids. Brendan’s areas of interest include belt conveyors, mechanical design and optimization of bulk solids handling.

+61 (2) 4033 9032

Mr Shaun Reid - Consulting Engineer

​Mr Shaun Reid joined TUNRA Bulk Solids as an industry scholar in 2013 and commenced as a consulting engineer in 2018. During his time with TBS he has contributed to a range of industry and research projects spanning the width of TBS capabilities. He completed his Honours thesis on the wear of conveyor belt covers and has held roles teaching mechanical design and bulk materials handling at the University of Newcastle. He currently specialises in discrete element modelling and flow properties testing.

+61 (2) 4033 9128


Dr David Bradney - Consulting Engineer

​​​ Dr David Bradney is a Consulting Engineer at TUNRA Bulk Solids. David has been working in research, and industrial consultancy since 2011 on a broad range of projects in the mining, manufacturing, rail, and energy industries. David’s expertise lies in mechanical design, FEA, and CFD. David Completed his PhD at the University of Newcastle in the area of wind power generation in 2016, which focused on both experimental and computational modelling of turbulent wind condition. David has over 10 research publications

+61 (2) 4033 9130

Dr Jens Plinke - Consulting Engineer

Dr Jens Plinke completed his engineering degree at the Leibniz University Hannover in Germany in 2014. During his studies he was hosted by TUNRA Bulk Solids for research projects on two occasions, gaining practical lab experience and an insight in a variety of materials handling issues. Jens completed his PhD at the University of Newcastle as part of the ARC Research Hub for Advanced Technologies for Australian Iron Ore in February 2019. His research is focused on solving industry related materials handling problems and the determination of the relationship of iron ore’s spectral responses to handling characteristics.

+61 (2) 4033 9635